Heating apparatus.



' E. J. SMITH.

HEATING APPARATUS.

APPLICATION FILED MAR.1s,19om

' 1 916 969. Patented Feb. 13,1912.

3 SFEETS-SHEET l.

E. J. $MITH.

HEATING APPARATUS.

APPLIGATION FILED MAI.13, 1909v Patented Feb. 13, 1912.

3 EHEETS-SHEET APPLIUA E. J. SMITH.

LTING APPARATUS. TION FILED M1113, 1909.

Patented Feb. 18, 1912.

3SHEETSSHEET 3.

ZEN e2? for on'rrnn snares ELMER 3'. SMITH, F DETROIT, MICHIGAN, ASSIGNOR- OF DETB-Q IT, MIOHIGAN, A COPAR-TNERSHIP.

COMPANY,

HEATING APPARATUS.

Application filed Eviarch 13, 1909.

To all whom it may concern-r it known that l", Emmi: J. SMITH, a citizen of the United States of America, residing at Detroit, in the county of Wayne and State of Micl'iigan, have invented certain new and useful Improvements in Heating Apparatus, of which the following is a speciliration, reference being had therein to the accompanying drawings.

T he invention relates par hot air heating apparatus, )ecially designed for use in connection with street way cars, and consists in the novelconstruo tion of the apparatus, in the peculiar arrangement and combination of its parts,..and in certain details 0tconstruction, will be more fully hereinafter set forth.

In the drawings,-Figure 1 is a horizohtal section through a railway car of ordinary construction, illustrating the heating apparatus diagrammatically; and Figs. *2 and 3 are sectional perspectiveviews of the generator.

represents a car of usual construction. provided with seats l3 extending along each side thereof, and the ordinary front. vestibule C.

D represents the generator of the apparatus, located within the vestibule and resting upon the flooring E thereof.

F is a system ofipipes leading from the generator within the interior of the car and extending preferably beneath 'a forward seat, as G.

ll is a fan for producing a. force draft through the system of piping, and l. is a motor for and located with the tan beneall'i the seat referred to.

J represents the main conveyer pipe-or conduit leading from the generator and extending along one side of the car beneath the seats, and provided with a number of openings or outlets, as 3', through which the hot air is discharged within the car interiori The generator referred to is composed of an outer metallic casing K, preferably square in configuration, provided with a flooring L and hollow base section The flooring is formed with a plurality of ports, as 0, arranged preferably one in each corner, as indicated in Fig. 2,'these ports constituting air inlets, and the ear flooring E has an opening P formed therein preferably centrally in relation to the flooring L, forming an in tic-ularly to In the drawings thus briefly described, A

Specification of Letters Patent.

l l l l FATENT T0 PETER SMITH HEATER Patented Feb. 13, imfi.

Serial N0. 483,242.

let to the interior of the casing for theexternal air. r Q designates an inner a circular in form, mounted .upon a flange or shoulder R on the heater proper R. I have preferably shownthe heater in the form of a stove, portion with a box, as S, that; projects forwardly through the outer drum or casing, and is provided with fuel and ash doors? and U respectively. a V represents the ordinary smoke pipe for the stove, extending through both casings 'ect outwardly through sing, preferably and adapted to pro the roof of the car.-

The casings described being positioned one lateralprovided at its lower within the other form between them. an outer air chamber, as W (Fig. 2), and an inner chamber, as X, these chambers being differentially heated by the heater proper within the inner casin I Y represents a. pipe entering the lower portion of the outer casing at a point Z constituting the casing inlet, and rising vertically within said casing to near the top thereof, the upper end of the pipe being open. tor, as indicated in B" represents a similar pipe leading from the fan casing within the air chamber W of the generator and extending upwardly therein to a point above the top of the casing Q5, and then downwardly within said casing v into communication with the air chamber The main conveyor pipe or conduit J leads outwardly froin the. lower portion of the air cha nibe r X, and as before stated passes along the side of the car, where it is adapted to discharge the hot air through the'se eral opening v therein within the c interior.

in the operation of the arparatusthe blower tan causes air from outside the car to enter the chamber W throi i the ports P and O, to pass vertically I said chamber and to distrharge therefrom through the pipe Y into the fan casing, The air is then driven through the pipe E into the upper part of the chamber X, and is forced downwardly thercthr ough and outwardly within the main conveyer pip Z from which it enlersthe ear.

As thus constructed, it will be seen that pure outside i first drawn Within the generator and partially heated, and again passed through the generator and finally This pipe extends" from the genera- 35 inlet in its lower portion 1 heated before it is discharged within the infor positit ely withdrawing the prelimiterior of the car, thereby increasing the heatnarily heated air from the upper portion of ing efficiency of the apparatus. Further, said preliminary heating chamber and for the various parts of the heating mechanism forcing said air downwardly through the 5 are so arranged within the car as to occupy first mentioned heating chamber, and an outno more available space than the apparatus let from the bottom portion of the latter now ordinarily in use. leading beyond the preliminary heating A- slide A is preferably formed in the chamber and adapted to discharge into a wall of the outer casing opposite the particonduit therewithout at a point adjacent to tion' separating the vestibule from the car the floor of the car.

proper, the sllde openingbeing adapted to 2. A car heater of the character described register with the usual air discharge open-' comprisinga heater, a casing surrounding ing formed in the partition. By opening said heater and spaced from the top and the slide, and thereby establishing communisides thereof to form a substantially closed cation between the outside air chamber of the heating chamber ather'ebetween, a second heater and the car interior, the heating appacasing surrounding said first mentioned casratus may be used as an ordinary heater, ing and spaced from the top and sides thereand this is desirable when the fan is at rest, of to provide a preliminary heating chamas where the car is in the barn. When the her, said last named chamber being proforced draft is eliminated, the air passes vided with an inlet in its lower portion for merely through the outer air chamber, where fresh air, means for positively Withdrawing it is heated by the jacketed stove, the heated the preliminarily heated air from the upper air being discharged directly within the car portion of said preliminary heating chaminterior. her and for forcing said "air downwardly What I claim as my invention is, through the first mentioned heating cham- 1. A car heater of the character described her said first mentioned heating chamber comprising a heater, a casing surrounding having an outlet for heated air in the lower said heater spaced from the top and sides portion thereof., thereof to form a substantially closed heat- In testimony whereof I affix my signature ing chamber therebetween, a second casing in presence of two witnesses.

surrounding said first mentioned casing "and 2 spaced from the top and sides thereof to ELMER SMI 1 provide a reliminary heating chamber, said Witnesses: last named chamber being provided with an W. J. BELKNAP,

or fresh air, means JAMEs P. BARRY. 

